New study with strong University of Arizona ties finds carbon dioxide has played a dominant role in controlling Earth’s temperature for nearly the last half-billion years.

Since 1957, Toyland has been a cherished family tradition, marking the unofficial kickoff to the holiday shopping season. Co-founder Bert Blain’s famous words— “Toyland is about making friends, not ...

Explore daily insights on the USA TODAY crossword puzzle by Sally Hoelscher. Uncover expert takes and answers in our crossword blog.

Explore daily insights on the USA TODAY crossword puzzle by Sally Hoelscher. Uncover expert takes and answers in our ...

Explore daily insights on the USA TODAY crossword puzzle by Sally Hoelscher. Uncover expert takes and answers in our ...

The Roxbury Arts Center at 5025 Vega Mountain Road in Roxbury announced it will host the 31st annual Fiddlers! music festival ...

What is included in the Smithsonian magazine digital edition? The Smithsonian magazine digital edition includes all the editorial content and photos from the current print issue of Smithsonian ...

Most fossils of the extinct creatures have no heads, but researchers analyzed complete fossils of juveniles and were able to ...

A new lineup of comics and puzzles debuts Saturday in the Arizona Daily Star and on Tucson.com — and we’re thrilled to have you take a look. You’ll notice our refreshed menu includes ...

Using a mix of experimental methods, she measured the birds’ metabolic rate during various activities and estimated their total daily energy expenditure. Adding in previous published data ...

Friday’s edition of Forbes Daily covers new sports investments, OpenAI’s plans for creators, TD Bank stock dip, the secrecy around xAI’s Memphis facility and more. Thursday's edition of ...

Usually, this puzzle comes in around $50, which is pretty steep for what it is. If you act fast, you can save $15 (and then, ...